I don't know where the person or thing I am looking for is.

[Interpretation] I don't know anything.

[Source] Feng Ming Menglong's "Warning Records" Volume 15: "Pupils fall down after watching it, pick it up and wake up for a long time. I know nothing about it. "

There is no news about sb.

[Interpretation] No news, no trace; No sign; Audio: news; Write back. Describe the cut-off information; Don't know each other's situation.